4,5-Dihydro-2-mercaptoimidazole
CAS 96-45-7
EPA’s 2023 records show zero U.S. production of this chemical.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293329 · basket
- 2023
- US production Zero · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293329, which covers 173 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Australia
- Brazil
- Czech Republic
- Ireland
- Sweden
- Ukraine
- Poland
- United Arab Emirates
- Hungary
- Israel
- Netherlands
- Canada
- Saudi Arabia
- Greece
- Belgium
- Austria
- Latvia
- Singapore
- Denmark
Show all 6
Why It Matters
Industrial Uses
Used in 1 sector as 2 functional roles.
- •Polymerization promoter in Rubber Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Chemical reaction regulator in Rubber Product Manufacturing (100%)Processing—incorporation into article
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
18 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.02 | 500 g | 95% |
| A2B Chem LLC | United States | $0.04 | 500 g | 97% |
| AA BLOCKS | United States | $0.05 | 500 g | 97% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.24 | 1 kg | 98% |
| Sigma-Aldrich | Germany | $0.24 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| MedChemExpress MCE | Sweden | $0.25 | 250 g | 98% |
| AK Scientific, Inc. | United States | $0.34 | 100 g | 98% |
| Angene International Limited | United States | $0.88 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $3.08 | 25 g | 95% |
| HTS Biochemie Innovationen | Germany | $20.00 | 1 g | 95% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| ChemDiv, Inc. | United States | $4070.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID5020601Retrieved 2026-04-06
- PubChem · compound 2723650Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
4,5-Dihydro-2-mercaptoimidazole (CAS 96-45-7) https://chemicalindependence.com/chemical/96-45-7/ EPA CompTox (DSSTox): DTXSID5020601. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5020601 PubChem: 2723650. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2723650 EPA Chemical Data Reporting: 96-45-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 96-45-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293329 for CAS 96-45-7. Reporting year: 2024. https://usatrade.census.gov/